Big size, 150 mm width. Crab very spiny and very hairy, a little Pilumnus-like; hairs long and numerous, but without concealing the surface, and becoming scant in large males. Antero-lateral border with four long primary spines, the first at the orbital angle; behind each of them, in the interspaces, a subsidiary spine, the first below the marginal line; above and subparallel to this row, an irregular row of seven spines; on the dorsal surface, several spines: in particular three on the epibranchial region, two on the subhepatic region, and nine on the gastric region; postero-lateral regions rough, with short spinules. Frontal margin bilobed, each lobe with six acute spines. Armature similar on both chelipeds, very strong, consisting of long curved spines; becoming obsolete in senile males. Ambulatory legs with slenderer but numerous curved spines and spinules on all articles. (Guinot 1998)

Rathbun, M.J., 1923a. Report on the Crabs obtained by the F.I.S. Endeavour on the coasts of Queensland, New South Wales, Victoria, South Australia, and Tasmania. 3. Biological Results of the Fishing Experiments carried on by the F.I.S. Endeavour 1909-14. Australian Dept. Trade & Customs, Fisheries, Sydney, 5(3): 95-156, figs 1-3, pls 16-42.

Yamaguchi, T., 1993. A list of Species described in the Crustacea Volume of Fauna Japonica as belonging to the Japanese Fauna. In: T. Yamaguchi (ed.), Ph. von Siebold and Natural History of Japan. Crustacea. Carcinological Society of Japan: 571-598, figs 1-2.

Images

H. armata1H. armata2H. armata3H. armata M

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